PROGRAM-FOR-VARIOUS-DIP

说明：  数值计算长周期光纤光栅(Numerical Calculation of long-period fiber grating)

根据邻接矩阵作图 matlab实现 源代码(mapping according to the adjacency matrix )

％radon transform clear all ％ N=800 n=1:N fs=200 t=n/fs x1=exp(j*2*pi*(5*t+0.5*5*t.^2)) x2=exp(j*2*pi*(5*t+0.5*15*t.^2)) x=x1+x2 ％N=length(x) ％ ambifunb(x ) ％*****************************************RAT naf=ambifunb(x) htl(abs(naf)) ％ [wh,rho,theta]=htl(abs(naf)) colormap([0,0,0]) ％ xlabel( 极半径 ) ％ ylabel( 角度 ) ％**************************************％找出峰值点的坐标,计算初始频率和调频斜率(正确) ％找出峰值点的坐标 b=max(max(wh)) [u,a]=find(wh>=0.8*b) ( Radon transformclear all N = 800 n = 1: N fs = 200 t = n/fs x1 = exp (j* 2* pi* (5* t+ 0.5* 5* t. ^ 2)) x2 = exp ( j* 2* pi* (5* t+ 0.5* 15* t. ^ 2)) x = x1+ x2 N = length (x) ambifunb (x)***************************************** RATnaf = ambifunb (x) htl (abs (naf)) [wh, rho, theta ] = htl (abs (naf)) colormap ([0,0,0]) xlabel (polar radius) ylabel (angle)************************************** to find the coordinates of the peak point, calculating the initial slope of the frequency and FM (right) find the peak point of the coordinates b = max (max ( wh)) [u, a] = find (wh)

源码程序,用MATLAB.m文件实现QPSK信号的调制与解调(Source program to achieve MATLAB.m document QPSK signal modulation and demodulation)

关于四旋翼飞行器的控制仿真，串级PID算法。有相关文献。(Control simulation of four rotor aircraft, cascade PID algorithm. There are relevant documents.)

自己建立的pmsm模块，是根据永磁电动机方程编写的(pmsm model created by myself,based on permanent magnet motor equation)

说明：  matlab滤波器设计实例(2)，中文科技文(Matlab filter design and application of the article, Chinese science and technology papers)

一个BP神经网络的matlab仿真，经过训练的神经网络可以识别人脸的方向(A BP neural network matlab simulation, neural network trained to identify people face the direction of)

燃料电池模型基于simulink，十分有用(Fuel cell model is based on simulink)

系统辨识参数,未知系统结构，通过实验数据辨识验证系统的阶次和系统结构参数(System identification parameters)